/**
* The final string should be an URL
*
* @param string $rawvalue
* @return int|string|void
*/
public function validate($rawvalue)
{
$rawvalue = parent::validate($rawvalue);
$url = $this->buildURL($rawvalue);
$schemes = getSchemes();
$regex = '^(' . join('|', $schemes) . '):\\/\\/.+';
if (!preg_match("/{$regex}/i", $url)) {
throw new ValidationException('Url invalid', $url);
}
return $rawvalue;
}
/**
* Render an external link
*
* @param string $url full URL with scheme
* @param string|array $name name for the link, array for media file
* @param bool $returnonly whether to return html or write to doc attribute
*/
function externallink($url, $name = null, $returnonly = false)
{
global $conf;
$name = $this->_getLinkTitle($name, $url, $isImage);
// url might be an attack vector, only allow registered protocols
if (is_null($this->schemes)) {
$this->schemes = getSchemes();
}
list($scheme) = explode('://', $url);
$scheme = strtolower($scheme);
if (!in_array($scheme, $this->schemes)) {
$url = '';
}
// is there still an URL?
if (!$url) {
$this->doc .= $name;
return;
}
// set class
if (!$isImage) {
$class = 'urlextern';
} else {
$class = 'media';
}
//prepare for formating
$link = array();
$link['target'] = $conf['target']['extern'];
$link['style'] = '';
$link['pre'] = '';
$link['suf'] = '';
$link['more'] = '';
$link['class'] = $class;
$link['url'] = $url;
$link['name'] = $name;
$link['title'] = $this->_xmlEntities($url);
if ($conf['relnofollow']) {
$link['more'] .= ' rel="nofollow"';
}
//output formatted
if ($returnonly) {
return $this->_formatLink($link);
} else {
$this->doc .= $this->_formatLink($link);
}
}
function preConnect()
{
if (count($this->patterns)) {
return;
}
$ltrs = '\\w';
$gunk = '/\\#~:.?+=&%@!\\-\\[\\]';
$punc = '.:?\\-;,';
$host = $ltrs . $punc;
$any = $ltrs . $gunk . $punc;
$this->schemes = getSchemes();
foreach ($this->schemes as $scheme) {
$this->patterns[] = '\\b(?i)' . $scheme . '(?-i)://[' . $any . ']+?(?=[' . $punc . ']*[^' . $any . '])';
}
$this->patterns[] = '\\b(?i)www?(?-i)\\.[' . $host . ']+?\\.[' . $host . ']+?[' . $any . ']+?(?=[' . $punc . ']*[^' . $any . '])';
$this->patterns[] = '\\b(?i)ftp?(?-i)\\.[' . $host . ']+?\\.[' . $host . ']+?[' . $any . ']+?(?=[' . $punc . ']*[^' . $any . '])';
}
/**
* Return XHTML formated data, depending on column type
*
* @param array $column
* @param string $value
* @param Doku_Renderer $R
* @return string
*/
function _formatDataOld($column, $value, Doku_Renderer $R)
{
global $conf;
$vals = explode("\n", $value);
$outs = array();
//multivalued line from db result for pageid and wiki has only in first value the ID
$storedID = '';
foreach ($vals as $val) {
$val = trim($val);
if ($val == '') {
continue;
}
$type = $column['type'];
if (is_array($type)) {
$type = $type['type'];
}
switch ($type) {
case 'page':
$val = $this->_addPrePostFixes($column['type'], $val);
$val = $this->ensureAbsoluteId($val);
$outs[] = $R->internallink($val, null, null, true);
break;
case 'title':
list($id, $title) = explode('|', $val, 2);
$id = $this->_addPrePostFixes($column['type'], $id);
$id = $this->ensureAbsoluteId($id);
$outs[] = $R->internallink($id, $title, null, true);
break;
case 'pageid':
list($id, $title) = explode('|', $val, 2);
//use ID from first value of the multivalued line
if ($title == null) {
$title = $id;
if (!empty($storedID)) {
$id = $storedID;
}
} else {
$storedID = $id;
}
$id = $this->_addPrePostFixes($column['type'], $id);
$outs[] = $R->internallink($id, $title, null, true);
break;
case 'nspage':
// no prefix/postfix here
$val = ':' . $column['key'] . ":{$val}";
$outs[] = $R->internallink($val, null, null, true);
break;
case 'mail':
list($id, $title) = explode(' ', $val, 2);
$id = $this->_addPrePostFixes($column['type'], $id);
$id = obfuscate(hsc($id));
$titleId = $id;
if (!$title) {
$title = $id;
} else {
$title = hsc($title);
}
if ($conf['mailguard'] == 'visible') {
$id = rawurlencode($id);
}
$outs[] = '<a href="mailto:' . $id . '" class="mail" title="' . $titleId . '">' . $title . '</a>';
break;
case 'url':
$val = $this->_addPrePostFixes($column['type'], $val);
$url = $val;
$schemes = getSchemes();
list($scheme) = explode('://', $url);
if (!in_array($scheme, $schemes)) {
$url = '';
}
// is there still an URL?
if (!$url) {
$outs[] = $val;
} else {
$outs[] = $this->external_link($val, false, 'urlextern');
}
break;
case 'tag':
// per default use keyname as target page, but prefix on aliases
if (!is_array($column['type'])) {
$target = $column['key'] . ':';
} else {
$target = $this->_addPrePostFixes($column['type'], '');
}
$params = buildURLparams($this->_getTagUrlparam($column, $val));
$url = str_replace('/', ':', cleanID($target)) . '?' . $params;
$outs[] = $R->internallink($url, hsc($val), true);
break;
case 'timestamp':
$outs[] = dformat($val);
break;
case 'wiki':
global $ID;
$oldid = $ID;
list($ID, $data) = explode('|', $val, 2);
//use ID from first value of the multivalued line
if ($data == null) {
$data = $ID;
$ID = $storedID;
} else {
$storedID = $ID;
}
$data = $this->_addPrePostFixes($column['type'], $data);
// Trim document_{start,end}, p_{open,close} from instructions
$allinstructions = p_get_instructions($data);
$wraps = 1;
if (isset($allinstructions[1]) && $allinstructions[1][0] == 'p_open') {
$wraps++;
}
$instructions = array_slice($allinstructions, $wraps, -$wraps);
$outs[] = p_render('xhtml', $instructions, $byref_ignore);
$ID = $oldid;
break;
default:
$val = $this->_addPrePostFixes($column['type'], $val);
//type '_img' or '_img<width>'
if (substr($type, 0, 3) == 'img') {
$width = (int) substr($type, 3);
if (!$width) {
$width = $this->getConf('image_width');
}
list($mediaid, $title) = explode('|', $val, 2);
if ($title === null) {
$title = $column['key'] . ': ' . basename(str_replace(':', '/', $mediaid));
} else {
$title = trim($title);
}
if (media_isexternal($val)) {
$html = $R->externalmedia($mediaid, $title, $align = null, $width, $height = null, $cache = null, $linking = 'direct', true);
} else {
$html = $R->internalmedia($mediaid, $title, $align = null, $width, $height = null, $cache = null, $linking = 'direct', true);
}
if (strpos($html, 'mediafile') === false) {
$html = str_replace('href', 'rel="lightbox" href', $html);
}
$outs[] = $html;
} else {
$outs[] = hsc($val);
}
}
}
return join(', ', $outs);
}